zcy
/
tinySA
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/i2c_dev@2688 35acf78f-673a-0410-8e92-d51de3d6d3f4

master
barthess 2011-01-27 22:32:14 +00:00
parent 9babeb847e
commit 7ebdd9c730
2 changed files with 14 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
os/hal/platforms/STM32/i2c_lld.c
View File

@ -228,6 +228,13 @@ void i2c_lld_stop(I2CDriver *i2cp) {
i2cp->id_state = I2C_STOP; i2cp->id_state = I2C_STOP;
} }
void i2c_lld_master_transmitI(I2CDriver *i2cp, I2CSlaveConfig *i2cscfg, bool_t restart){
;
}
/** /**
* @brief Transmits data ever the I2C bus as master. * @brief Transmits data ever the I2C bus as master.
* TODO:@details * TODO:@details
@ -245,8 +252,13 @@ void i2c_lld_master_transmit(I2CDriver *i2cp, I2CSlaveConfig *i2cscfg, bool_t re
i2cp->id_slave_config->rw_bit = I2C_WRITE; i2cp->id_slave_config->rw_bit = I2C_WRITE;
//TODO: setup DMA channel here //TODO: setup DMA channel here
i2cp->id_i2c->CR1 |= I2C_CR1_START; // generate start condition //
//
i2cp->id_i2c->CR1 |= I2C_CR1_START; // generate start condition
while (!(i2cp->id_i2c->SR1 & I2C_SR1_SB)){
i++; // wait Address sent
}
i2cp->id_i2c->DR = (i2cp->id_slave_config->slave_addr1 << 1) | I2C_WRITE; // write slave addres in DR i2cp->id_i2c->DR = (i2cp->id_slave_config->slave_addr1 << 1) | I2C_WRITE; // write slave addres in DR
while (!(i2cp->id_i2c->SR1 & I2C_SR1_ADDR)){ while (!(i2cp->id_i2c->SR1 & I2C_SR1_ADDR)){

1
os/hal/platforms/STM32/i2c_lld.h
View File

@ -225,6 +225,7 @@ void i2c_lld_stop(I2CDriver *i2cp);
void i2c_lld_master_start(I2CDriver *i2cp, uint16_t header); void i2c_lld_master_start(I2CDriver *i2cp, uint16_t header);
void i2c_lld_master_stop(I2CDriver *i2cp); void i2c_lld_master_stop(I2CDriver *i2cp);
void i2c_lld_master_transmit(I2CDriver *i2cp, I2CSlaveConfig *i2cscfg, bool_t restart); void i2c_lld_master_transmit(I2CDriver *i2cp, I2CSlaveConfig *i2cscfg, bool_t restart);
void i2c_lld_master_transmitI(I2CDriver *i2cp, I2CSlaveConfig *i2cscfg, bool_t restart);
void i2c_lld_master_receive(I2CDriver *i2cp, I2CSlaveConfig *i2cscfg); void i2c_lld_master_receive(I2CDriver *i2cp, I2CSlaveConfig *i2cscfg);
//static i2cflags_t translate_errors(uint16_t sr); //static i2cflags_t translate_errors(uint16_t sr);